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Publication: 9 2875 00 991

Revision: B 08/01

INSTRUCTION MANUAL

for

DECS-100

Digital Excitation Control System

Содержание DECS-100

Страница 1: ...Publication 9 2875 00 991 Revision B 08 01 INSTRUCTION MANUAL for DECS 100 Digital Excitation Control System...

Страница 2: ...tation level must be evaluated prior to enabling this feature If the level of excitation current is inappropriate for the generator severe damage to the generator may occur Improper PID numbers will r...

Страница 3: ...ability and design of all features and options are subject to modification without notice Should further information be required contact Basler Electric BASLER ELECTRIC ROUTE 143 BOX 269 HIGHLAND IL 6...

Страница 4: ...nge Rev B 14282 08 01 Added Embedded Software subsection to Section 5 BESTCOMS Software for the Windows Operating System Corrected various minor errors throughout the manual Rev A 12623 03 01 In Secti...

Страница 5: ...DECS 100 Introduction iv...

Страница 6: ...s are ordered as follows Section 1 General Information 1 1 Section 2 Human Machine Interface 2 1 Section 3 Functional Description 3 1 Section 4 Installation 4 1 Section 5 BESTCOMS Software for the Win...

Страница 7: ...tact Input Circuits 1 2 Common Alarm Output 1 3 Field Output 1 3 AVR Operating Mode 1 3 FCR Manual Operating Mode 1 3 Var Operating Mode Optional 1 3 PF Operating Mode Optional 1 3 Parallel Compensati...

Страница 8: ...control mode C Overexcitation OEL limiting in AVR var and PF control modes C Underfrequency volts hertz regulation C Three phase or single phase generator voltage RMS sensing regulation in AVR mode C...

Страница 9: ...0 Vac 340 to 528 Vac Range 4 600 Vac 540 to 660 Vac Generator Current Sensing Type 1 phase B phase 50 60 Hz Style X1X 1 Aac maximum continuous Style X5X 5 Aac maximum continuous Burden 0 1 VA Terminal...

Страница 10: ...curves Response Time Within 1 cycle FCR Manual Operating Mode Adjustment Range 0 to 7 Adc Increment 0 1 A Var Operating Mode Optional Adjustment Range 100 to 100 Increment 0 1 PF Operating Mode Option...

Страница 11: ...20 Gs in 3 perpendicular planes Vibration 1 2 Gs at 5 to 26 Hz 0 914 mm 0 036 double amplitude at 27 to 52 Hz 5 Gs at 53 to 500 Hz Salt Fog Tested per MIL STD 810E Physical Weight Unit 1 10 kg 2 42 l...

Страница 12: ...ONTENTS SECTION 2 HUMAN MACHINE INTERFACE 2 1 GENERAL 2 1 FRONT PANEL INDICATORS 2 1 COMMUNICATION PORT 2 2 Figures Figure 2 1 DECS 100 Front Panel Indicators 2 1 Figure 2 2 DECS 100 Communication Por...

Страница 13: ...Indicator Description Overexcitation Shutdown This LED lights when the Overexcitation Protection feature is enabled and the field voltage exceeds 100 Vdc for 10 seconds The DECS 100 will shutdown when...

Страница 14: ...senabledthroughBESTCOMSsoftware and when the 52J K contact input is open Manual Mode Active This LED lights when the DECS 100 is operating in Manual mode Manual mode is enabled through BESTCOMS softwa...

Страница 15: ...ching Control Option 3 3 RS 232 Communication Port 3 3 Microprocessor 3 3 Power Input Stage 3 3 Power Supply 3 3 Power Amplifier Stage 3 3 Front Panel Indicators 3 3 Relay Output 3 3 DECS 100 OPERATIN...

Страница 16: ...feature is provided intheparagraphsundertheheadingofDECS 100Operating Features DECS 100 FUNCTION BLOCKS The following paragraphs describe each of the function blocks illustrated in Figure 3 1 The fun...

Страница 17: ...pplied to the ADC is used to calculate the rms value of phase B line current Additionally the phase angle between phase B line current and phase C to phase A generator voltage is calculated for use du...

Страница 18: ...e microprocessor is the heart of the DECS 100 and performs measurement computation control and communication functions by the use of its embedded programming and the nonvolatile settings stored in its...

Страница 19: ...er contact inputs the optional Accessory input or through BESTCOMS software Power Factor Control Mode Optional In Power Factor Control mode the DECS 100 maintains generator power factor at a set level...

Страница 20: ...closes and the DECS 100 shuts down When the DECS 100 is powered up following a generator overvoltage shutdown the GENERATOR OVERVOLTAGE indicator will light for 5 seconds The GeneratorOvervoltagesetpo...

Страница 21: ...current to ramp to the regulation setpoint The ramp rate is adjustable from 1 to 7 200 seconds in 1 second increments through BESTCOMS The underfrequency feature is also active during soft start and t...

Страница 22: ...ANCE 4 7 Mounting 4 7 Wiring 4 7 PRELIMINARY SETUP 4 12 ADJUSTMENTS 4 12 Figures Figure 4 1 DECS 100 Dimensions 4 2 Figure 4 2 Cutout and Drilling Dimensions 4 3 Figure 4 3 DECS 100 Terminals 4 4 Figu...

Страница 23: ...environment MOUNTING The DECS 100 is normally located in the generator conduit box It is designed for behind the panel mounting and requires a cutout for front panel viewing Mounting hardware consists...

Страница 24: ...DECS 100 Installation 4 2 Figure 4 1 DECS 100 Dimensions...

Страница 25: ...DECS 100 Installation 4 3 Figure 4 2 Cutout and Drilling Dimensions...

Страница 26: ...inch quick connect terminal labels are located on the rear of the case Wires performing common functions such as voltage sensing leads should be grouped together The 9 pin DB 9 type connector is used...

Страница 27: ...pplied current transformer CT Secondary current from that transformer is applied to terminals labeled CT1 and CT2 Accessory Input The accessory input voltage terminals are labeled A and B and accept a...

Страница 28: ...the terminals labeled AL1 AND AL2 Communication Port The RS 232 port on the rear panel uses a DB 9 female connector Figure 4 4 Illustrates the pin assignments of the communication port and Table 4 3...

Страница 29: ...her shunt application but with single phase sensing INSTALLATION FOR CE COMPLIANCE The following paragraphs describe the mounting and wiring requirements for a CE European Community compliant installa...

Страница 30: ...DECS 100 Installation 4 8 E 6 8WLOLW 6LGH 127 6 HQHUDWRU 6LGH 30 6 6 0 1 2 2 0 33 45 45 1 6 7 1 Figure 4 6 Typical Connections for PMG application with ABC Rotation and Three Phase Sensing...

Страница 31: ...DECS 100 Installation 4 9 E 30 HQHUDWRU 6LGH 8WLOLW 6LGH 127 6 0 1 2 2 0 33 45 45 1 6 1 Figure 4 7 Typical Connections for PMG Application with ABC Rotation and Single Phase Sensing...

Страница 32: ...DECS 100 Installation 4 10 E 6 6 6 HQHUDWRU 6LGH 8WLOLW 6LGH 127 6 0 1 2 2 0 33 1 4 1 0 Figure 4 8 Typical Connections for Shunt Application with ABC Rotation and Three Phase Sensing...

Страница 33: ...DECS 100 Installation 4 11 E 6 6 6 HQHUDWRU 6LGH 8WLOLW 6LGH 127 6 0 1 2 2 0 33 1 4 1 0 Figure 4 9 Typical Connections for Shunt Application with ABC Rotation and Single Phase Sensing...

Страница 34: ...s by connecting a PC or handheld operating with BESTCOMS to the rear communication port of the DECS 100 and save all new settings 6 Remove power from the DECS 100 7 Connect the rest of the DECS 100 le...

Страница 35: ...5 Startup Tab 5 5 Control Gain 5 6 Control Gain Tab 5 6 Analysis 5 8 AVR Tab 5 9 FCR Tab 5 9 PF Tab 5 10 VAR Tab 5 11 Protection Settings 5 12 Protection Tab 5 13 Metering Operation and Alarms 5 14 O...

Страница 36: ...Relay Settings Screen 5 13 Figure 5 17 Metering Operation and Alarms Operation Tab 5 14 Figure 5 18 Metering Operation and Alarms Alarm Status Tab 5 17 Figure 5 19 PID Window 5 18 Figure 5 20 User In...

Страница 37: ...ninstall utility is loaded with the program that can be used to remove BESTCOMS from your PC if desired Use the following procedure to install BESTCOMS DECS100 32 1 Insert the CD ROM into the PC CD RO...

Страница 38: ...S 232 Port is selected the Password dialog box of Figure 5 5 appears and prompts you to enter a password Each DECS 100 is delivered with decs as the default password See the Password Protection sub se...

Страница 39: ...by clicking Communications on the menu bar and clicking Send To DECS Additionally a setting can be sent by pressing the Enter key after the new value is typed in Receiving Settings DECS 100 settings a...

Страница 40: ...generator line current A value of 1 A or 5 A may be entered Version Numbers These two version numbersareread only TheyindicatetheBESTCOMS software version and the DECS 100 embedded software version If...

Страница 41: ...n feature of the DECS 100 The setpoint value determines the amount of change permitted in the generator voltage setpoint when the DECS 100 responds to a reactive load The setpoint value is adjustable...

Страница 42: ...rol Gain Click the Gain button to access the Control Gain screen or click Screens on the menu bar and click Control Gain Control Gain Tab Control gain settings are shown in Figure 5 11 and are describ...

Страница 43: ...erator Size Time Constants Stability Range Generator T do Exciter Texc SMALL 1 0 0 17 1 1 5 0 25 2 2 0 0 33 3 2 5 0 42 4 3 0 0 50 5 3 5 0 58 6 4 0 0 67 7 4 5 0 75 8 5 0 0 83 9 5 5 0 92 10 6 0 1 00 11...

Страница 44: ...Loop Gain Kg PF This setting adjusts the loop gain level of the PI algorithm for var or power factor control Loop Gain values of 0 to 1 000 may be entered for var and power factor operation in increm...

Страница 45: ...Increment button changes from gray to red to indicate that the AVR setpoint has increased to the value in the AVR Setpoint field Voltage Step Response DecrementofAVR Setpoint V These two fields indica...

Страница 46: ...nges to this value when the adjacent button is clicked When clicked the Decrement button changes from gray to red to indicate that the AVR setpoint has decreased to the value in the FCR Setpoint field...

Страница 47: ...box When this button is clicked another pointer is added to the PF Step Response Settings dial and the color of the Step Value Change PF Value field changes The color of the pointer and PF Value fiel...

Страница 48: ...dex 2 is removed Since at least one setpoint index must be available the Remove Step button is grayed out and cannot be clicked when only one setpoint index exists Reactive Power Step Response Step Va...

Страница 49: ...eld Overvoltage Voltage Level Vdc The value in this field is adjustable from 0 to 250 Vdc and determines the field voltage level that will cause the DECS 100 to issue an overexcitation limit alarm Whe...

Страница 50: ...ng the Metering button or by clicking Screens on the Menu bar and clicking Metering Operation Information displayed on the Metering Operation and Alarms screen can be frozen by clicking the Metering b...

Страница 51: ...duct of the metered generator voltage VAVG PT ratio entered at the System Configuration screen metered generator current Ib CT ratio entered at the System Configuration screen square root of 3 and the...

Страница 52: ...ndicator to green and enables the AVR operating mode When operating in AVR mode the DECS 100 regulates the generator output voltage at the AVR setpoint Clicking the FCR button changes the color of the...

Страница 53: ...y Disable Metering the Metering Signal indicator stops flashing the metering update counter stops incrementing and the metering functions stop being updated PID DATA BESTCOMS DECS100 32 enables genera...

Страница 54: ...er specifying the input values a set of PID parameters output data is generated automatically If T do is set at 5 00 seconds then Texc is 0 83 seconds The calculated KP is 155 47 KI is 138 72 KD is 48...

Страница 55: ...this information is entered OK is clicked and the report is printed Saving Settings Files Saving DECS 100 settings to a file for uploading to other DECS 100 units saves setup time when configuring mu...

Страница 56: ...mmunications on the menu bar and click Password Change on the drop down menu The Change Password dialog box of Figure 5 22 appears 2 Type the current password in the Enter your access password field o...

Страница 57: ...s to DECS 100 functionality may make a firmware update desirable DECS 100 embedded firmware can be updated by performing the following steps 1 Connect a communication cable between the rear RS 232 con...

Страница 58: ...25 appears 4 Click the Get Device Information button The DECS 100 Embedded Program Loader retrieves and displays the DECS 100 model number style number serial number and application program version n...

Страница 59: ...box of Figure 5 28 The Open dialog box is used to locate and select the appropriate file for uploading to the DECS 100 Only files with a S19 extension are displayed in the Open dialog box 6 Select the...

Страница 60: ...DECS 100 BESTCOMS for Windows OS 5 24 Figure 5 30 DECS 100 Information After Upload...

Страница 61: ...ettings File 6 8 Sending a Settings File to the DECS 100 6 8 Reading Settings from the DECS 100 6 9 Deleting User Created Settings Files 6 9 Figures Figure 6 1 Welcome Screen 6 1 Figure 6 3 Modules Se...

Страница 62: ...as a single application on your handheld A setup utility on the CD supplied with the DECS 100 automatically loads the files into the Palm Desktop application Install Tool on your PC BESTCOMS is then...

Страница 63: ...sing a HotSync cable or cradle and perform a HotSync operation to load BESTCOMS on your handheld Connecting the DECS 100 and Handheld Communication between the DECS 100 and your handheld requires the...

Страница 64: ...d the settings file uploaded The following paragraphs describe how each BESTCOMS operating mode is accessed On Line Mode Tapping the On Line button Figure 6 8 establishes communication between BESTCOM...

Страница 65: ...een retrieved a dialog box appears and confirms that the settings were loaded Tapping the Ok button displays the main screen shown in Figure 6 12 More information about the File Operations screen is p...

Страница 66: ...hutdown Enabled Generator Overvoltage Level Field Overvoltage Level LOS Time Delay LOS Balance Level LOS Imbalance Level Generator Short Circuit Level Var PF Screen Var Ki Var Kg PF Ki PF Kg Navigatin...

Страница 67: ...anges can be made before saving the DECS 100 settings Settings are saved by tapping the Save All button on any of the screens that display the button Alarm and Contact Input Status The Alarm Contact S...

Страница 68: ...disabled Operation of the Operating Mode controls is determined by the status of the contacts connected across the DECS 100 Var PF Control terminals 52J 52K When these contacts are open the Operating...

Страница 69: ...her On Line mode or Off Line mode to create a new settings file When editing of the settings is complete the following steps are used to save the settings file with a unique name 1 On the BESTCOMS mai...

Страница 70: ...the Open button in the Which Settings dialog box to access the File Operations screen 3 Tap the arrow O on the File Actions line and then select SEND to DECS from the drop down menu 4 Ensure that the...

Страница 71: ...ltage Does Not Build 7 1 Low Generator Output Voltage 7 2 High Generator Output Voltage 7 3 Poor Voltage Regulation 7 3 Generator Output Unstable Hunting 7 4 OVEREXCITATION SHUTDOWN Indicator is Annun...

Страница 72: ...eed to Step 3 Step 3 For PMG power check for correct input power to the DECS 100 Refer to Section 1 General Information Specifications for input power requirements If voltage is not present refer to t...

Страница 73: ...100 Refer to Section 1 General Information Specifications for input power requirements If the DECS 100 input voltage is low refer to the PMG manual for PMG repair PMG system only If the voltage is at...

Страница 74: ...the voltage setpoint is not being modified by application of voltage to the optional Accessory Input If the high voltage condition is not caused by voltage applied to the Accessory Input proceed to St...

Страница 75: ...or is Annunciating Step 1 Check for generator overloading If the generator is operating with a larger than rated load shed load If the generator is operating with a rated or less than rated load proce...

Страница 76: ...or recommendations If the generator exciter field current requirements are compatible with the DECS 100 proceed to Step 4 Step 4 Replace the DECS 100 If replacing the DECS 100 does not correct the mal...

Страница 77: ...g Step 1 Verify that the Voltage Matching option was purchased and is enabled in the software If not enabled use the BESTCOMS software to turn on voltage matching If voltage matching is enabled procee...

Страница 78: ...ROUTE 143 BOX 269 HIGHLAND ILLINOIS 62249 U S A http www basler com info basler com PHONE 618 654 2341 FAX 618 654 2351...

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